ATHENA HYPER RACE KIT FOR YAMAHA ZUMA 2 VINO JOG (HORIZ)

Complete 70cc Big Bore Performance Kit

Kits feature a new cylinder head design, lighter flat-head piston and special porting to increase power

Race crankshaft is made of special steel that is machined-forged for added strength and features a 12mm wrist pin

Lighter connecting rods have full rounds and special needle bearings to reduce crankshaft volume

Full exhaust system included

Included 19mm Dell Orto carburetor provides optimal airflow to match the increase in engine performance

Throttle cable and all necessary gaskets included